On 5 Nov 1767 when Cephas was 24, he married Molly Cooke (38725) , daughter of John Cooke (19372) (23 May 1703-8 Dec 1745) & Phebe Crossman (32637) (ca 1712-25 Mar 1805), in Kingston, MA. Born on 29 Oct 1743 in Kingston, MA. Molly died in Kingston, MA, on 15 May 1828; she was 84.